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National Stock Number:
5310-00-276-1211
Federal Supply Class:
5310
National Item Identification Number:
002761211
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 92916A215 | 39428 | MCMASTER-CARR SUPPLY CO | | 92916A43 | 39428 | MCMASTER-CARR SUPPLY CO | | FFW92TYPEAGRADE1CLASSE | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.677 INCHES MINIMUM AND | | 0.697 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.500 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.102 INCHES NOMINAL | | NONDEFINITIVE SPEC/STD DATA | A TYPE AND | | 1 GRADE AND | | E CLASS | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY ID AND AS MODIFIED BY OD AND AS MODIFIED BY THK | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFW92TYPEAGRADE1CLASSE |
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